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https://github.com/ClickHouse/ClickHouse.git
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57 lines
1.6 KiB
Bash
Executable File
57 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: long, no-tsan, no-debug, no-asan, no-msan, no-ubsan
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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# "max_parts_to_merge_at_once = 1" prevents merges to start in background before our own OPTIMIZE FINAL
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$CLICKHOUSE_CLIENT -q "
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drop table if exists many_mutations;
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create table many_mutations (x UInt32, y UInt32) engine = MergeTree order by x settings number_of_mutations_to_delay = 0, number_of_mutations_to_throw = 0, max_parts_to_merge_at_once = 1;
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insert into many_mutations values (0, 0), (1, 1);
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system stop merges many_mutations;
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select x, y from many_mutations order by x;
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"
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job()
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{
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yes "alter table many_mutations update y = y + 1 where 1;" | head -n 1000 | $CLICKHOUSE_CLIENT
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}
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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wait
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# truncate before drop, avoid removing all the mutations (it's slow) in DatabaseCatalog's thread (may affect other tests)
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$CLICKHOUSE_CLIENT -q "
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select count() from system.mutations where database = currentDatabase() and table = 'many_mutations' and not is_done;
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system start merges many_mutations;
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optimize table many_mutations final SETTINGS optimize_throw_if_noop = 1;
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alter table many_mutations update y = y + 1 where 1 settings mutations_sync=2;
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select count() from system.mutations where database = currentDatabase() and table = 'many_mutations' and not is_done;
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select x, y from many_mutations order by x;
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truncate table many_mutations;
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drop table many_mutations;
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"
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